\begin{tabular}{llrrr}
  \toprule
type & method & median & qlow & qhigh \\ 
  \midrule
Symmetric & Bins and Balls & 0.13 & 0.06 & 0.26 \\ 
  Symmetric & Interval (Narrow) & 0.27 & 0.05 & 0.81 \\ 
  Symmetric & Manski & 0.36 & 0.23 & 0.66 \\ 
  Symmetric & Interval (Wide) & 0.45 & 0.14 & 1.33 \\ 
  Symmetric & Quantile & 0.50 & 0.15 & 1.92 \\ 
   \bottomrule
\end{tabular}
